27107081 has 2 divisors, whose sum is σ = 27107082. Its totient is φ = 27107080.

The previous prime is 27107077. The next prime is 27107111. The reversal of 27107081 is 18070172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 67081 = 5200^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 27107081 - 2² = 27107077 is a prime.

It is a super-2 number, since 2×27107081² = 1469587680681122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27107081.

It is not a weakly prime, because it can be changed into another prime (27107011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13553540 + 13553541.

It is an arithmetic number, because the mean of its divisors is an integer number (13553541).

Almost surely, 2^27107081 is an apocalyptic number.

It is an amenable number.

27107081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27107081 is an equidigital number, since it uses as much as digits as its factorization.

27107081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 27107081 is about 5206.4461007486. The cubic root of 27107081 is about 300.3960731530.

The spelling of 27107081 in words is "twenty-seven million, one hundred seven thousand, eighty-one".